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/*------------------------------------------------------------------
* test_memcmp16_s
* File 'extmem/memcmp16_s.c'
* Lines executed:85.45% of 55
*
*------------------------------------------------------------------
* fails: ubuntu-aarch64-linux-native and aarch64-fedora-docker,
* but passes {debian,centos,fedora}-aarch64-linux
*/
#include "test_private.h"
#include "safe_mem_lib.h"
#define LEN (128)
int main(void) {
errno_t rc;
uint32_t len;
int ind;
int std_ind;
uint32_t i;
uint16_t mem1[LEN];
uint16_t mem2[LEN];
int errs = 0;
/*--------------------------------------------------*/
#ifndef HAVE_CT_BOS_OVR
EXPECT_BOS("empty dest")
rc = memcmp16_s(NULL, LEN, mem2, LEN, &ind);
ERR(ESNULLP);
EXPECT_BOS("empty src")
rc = memcmp16_s(mem1, LEN, NULL, LEN, &ind);
ERR(ESNULLP);
EXPECT_BOS("empty diff")
rc = memcmp16_s(mem1, LEN, mem2, LEN, NULL);
ERR(ESNULLP);
/*--------------------------------------------------*/
EXPECT_BOS("empty dest or dlen * 2") EXPECT_BOS("slen overflow >dlen")
rc = memcmp16_s(mem1, 0, mem2, LEN, &ind);
ERR(ESZEROL);
EXPECT_BOS("empty src or slen * 2")
rc = memcmp16_s(mem1, LEN, mem2, 0, &ind);
ERR(ESZEROL);
/*--------------------------------------------------*/
EXPECT_BOS("dest overflow")
rc = memcmp16_s(mem1, RSIZE_MAX_MEM + 1, mem2, LEN, &ind);
ERR(ESLEMAX);
EXPECT_BOS("src overflow") EXPECT_BOS("slen overflow >dlen")
rc = memcmp16_s(mem1, LEN, mem2, RSIZE_MAX_MEM16 + 1, &ind);
ERR(ESLEMAX);
if (_BOS_KNOWN(mem2)) {
EXPECT_BOS("src overflow") EXPECT_BOS("slen overflow >dlen")
rc = memcmp16_s(mem1, LEN, mem2, LEN + 1, &ind);
ERR(EOVERFLOW);
}
/*--------------------------------------------------*/
EXPECT_BOS("slen overflow >dlen")
rc = memcmp16_s(mem1, LEN - 1, mem2, LEN, &ind);
ERR(ESNOSPC);
#endif
/*--------------------------------------------------*/
/* undetected at compile-time, but still doing
run-time object_size checks */
len = RSIZE_MAX_MEM16 + 1;
rc = memcmp16_s(mem1, LEN, mem2, len, &ind);
ERR(ESLEMAX);
#ifdef HAVE___BUILTIN_OBJECT_SIZE
len = LEN + 1;
rc = memcmp16_s(mem1, LEN, mem2, len, &ind);
ERR(EOVERFLOW);
#endif
/*--------------------------------------------------*/
/* short cut */
rc = memcmp16_s(mem1, LEN, mem1, LEN, &ind);
ERR(EOK);
INDZERO();
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = i;
}
for (i = 0; i < LEN; i++) {
mem2[i] = i;
}
len = 1;
rc = memcmp16_s(mem1, len, mem2, len, &ind);
ERR(EOK);
INDZERO();
std_ind = memcmp(mem1, mem2, len * 2);
if (ind != std_ind) {
debug_printf("%s %u Ind=%d std_ind=%d rc=%u \n", __FUNCTION__,
__LINE__, ind, std_ind, rc);
errs++;
}
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = i;
}
for (i = 0; i < LEN; i++) {
mem2[i] = i;
}
len = 2;
rc = memcmp16_s(mem1, len, mem2, len, &ind);
ERR(EOK);
INDZERO();
std_ind = memcmp(mem1, mem2, len * 2);
if (ind != std_ind) {
debug_printf("%s %u Ind=%d std_ind=%d rc=%u \n", __FUNCTION__,
__LINE__, ind, std_ind, rc);
errs++;
}
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = i;
}
for (i = 0; i < LEN; i++) {
mem2[i] = i;
}
rc = memcmp16_s(mem1, LEN, mem2, LEN, &ind);
ERR(EOK);
INDZERO();
std_ind = memcmp(mem1, mem2, LEN * 2);
if (ind != std_ind) {
debug_printf("%s %u Ind=%d std_ind=%d rc=%u \n", __FUNCTION__,
__LINE__, ind, std_ind, rc);
errs++;
}
/*--------------------------------------------------*/
for (i = 0; i < LEN; i++) {
mem1[i] = i;
}
for (i = 0; i < LEN; i++) {
mem2[i] = i;
}
for (i = 10; i < LEN - 10; i++) {
mem2[i] = 5;
}
rc = memcmp16_s(mem1, LEN, mem2, LEN, &ind);
ERR(EOK);
INDCMP(== 0);
#define sgn(i) ((i) > 0 ? 1 : ((i) < 0 ? -1 : 0))
/* ANSI C may return just the signum here: 1 instead of 5 */
std_ind = memcmp(mem1, mem2, LEN * 2);
if (ind != std_ind && sgn(ind) != std_ind) {
debug_printf("%s %u Ind=%d std_ind=%d rc=%u \n", __FUNCTION__,
__LINE__, ind, std_ind, rc);
errs++;
}
/*--------------------------------------------------*/
return (errs);
}
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